Fan.Sys.List.shuffle C# (CSharp) Method

        public List shuffle()
        {
            modify();
              for (int i=0; i<m_size; ++i)
              {
            int randi = (int)FanInt.random() % m_size;
            if (randi < 0) randi = -randi;
            object temp = m_values[i];
            m_values[i] = m_values[randi];
            m_values[randi] = temp;
              }
              return this;
        }